How to germinate Adonidia merrillii

Adonidia merrillii, commonly known as Christmas Palm or Manila Palm, is an elegant, medium-sized tropical palm native to the Philippines. Fresh seeds germinate relatively easily with proper warm, moist conditions, making it suitable for home gardeners.

Before sowing

Scarification

mecanica Mechanical scarification can be done by slightly abrading or nicking the hard seed coat with a file to allow water penetration, though soaking alone is usually sufficient

Stratification

quente · 14 d · 25°C

Soak

24 h Soak fresh seeds in warm water for 24 hours or 1-2 days to soften the seed coat and promote germination

Remove fleshy fruit pulp and clean seeds thoroughly before soaking; use fresh seeds for best viability

Sowing

Substrate

well-draining soil mix with organic matter, peat, loam, sand, perlite or vermiculite

Depth

1cm

Temperature

25°C

Moisture

alta

Container

flats or small containers with drainage holes

What to expect

Step 1

Pre-treat the seed

Step 2

Sow at 1cm · 25°C

Day 21–90

Seedlings emerge (~85%)

Tips

Maintain consistent moisture but avoid waterlogging; keep seeds in bright location; use lukewarm water for seedling watering; provide bottom heat until well established; once sprouted, gradually acclimate seedlings to higher light; transplant when several leaves appear

Sources: VIRIAR, EarthOne, Gardening Know How, Royal Horticultural Society, NTBG Tropical Plants Database, NC State Extension, Missouri Botanical Garden

Fresh seeds to sow

Adonidia merrillii

Before sowing

Sowing

What to expect

Tips

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